Maintenance Schedule 2026 Jeep Wrangler Unlimited · 3.6L V6
Normal Service Severe Service
The 2026 Jeep Wrangler Unlimited 3.6L V6 follows a traditional maintenance schedule with oil changes every 5,000 miles, fluid services at longer intervals, and comprehensive inspections throughout the vehicle's life.
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⚙️ Engine
Engine oil and filter
5,000 mi / 6 mo
OLP recommends 5,000 mi even when manufacturer claims longer — extended-interval programs shorten engine life. Use 5W-20 synthetic.
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Engine air filter
30,000 mi
Inspect at each oil change; replace as needed or at 30K miles. More frequent in dusty conditions.
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Accessory drive belt
120,000 mi
Inspect at each oil change; replace at 120K miles or if damaged.
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🔩 Drivetrain
CV joints and axle boots inspection
10,000 mi / 12 mo
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Four-wheel drive system inspection
10,000 mi / 12 mo
Verify proper operation of transfer case, front axle engagement, and locking differentials if equipped.
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Automatic transmission fluid and filter
60,000 mi
8-speed automatic (8HP75). More frequent service required for severe duty, towing, or off-road use.
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Transfer case fluid
60,000 mi
More frequent for severe duty or frequent water crossings.
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Front differential fluid
60,000 mi
More frequent for severe duty or off-road use.
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Rear differential fluid
60,000 mi
More frequent for severe duty, towing, or off-road use.
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🛞 Brakes
Brake system inspection
10,000 mi / 12 mo
Inspect pads, rotors, calipers, hoses, and parking brake.
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Flush and replace every 2 years regardless of mileage. Use DOT 4.
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💧 Fluids
Engine coolant
150,000 mi / 120 mo
First service at 10 years/150K miles, then every 10 years/150K miles. Use OAT coolant (MS.90032).
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🛞 Tires
Tire rotation
5,000 mi / 6 mo
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Tire pressure and condition check
5,000 mi / 1 mo
Check monthly and before off-road trips.
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🔍 Inspection
Steering and suspension inspection
10,000 mi / 12 mo
Inspect ball joints, tie rods, track bar, control arms, shocks, and bushings.
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Body and door hardware lubrication
10,000 mi / 12 mo
Lubricate hinges, latches, hood latch, and door strikers. Critical for Wrangler removable doors.
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⚡ Electrical
Battery inspection and cleaning
10,000 mi / 12 mo
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💨 Exhaust
Exhaust system inspection
10,000 mi / 12 mo
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❄️ HVAC
Cabin air filter
20,000 mi
More frequent replacement recommended in dusty environments.
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About this schedule: AI-generated to match the manufacturer's published recommendations for this exact engine. Severe-service intervals apply if you frequently make short trips, drive in dusty conditions, tow, or deal with extreme heat or cold. Always consult your owner's manual for warranty-required services.